Paint containing an alkyd resin and a halogenated amine



Patented Aug. 31, 1948 I 2,448,505 PAINT CONTAINING AN ALKYD RESIN A HALOGENATED AMINE Paul Zurcher, Ponca City, Okla., assignor to Con- I tinentai Oil Company, Ponca City, Okla., a corporation of Delaware No Drawing. Application February 27, 1942, Serial No. 432,647

My invention relates to a paint and more particularly to an improved paint carrying a small percentage by weight of a halogenated amine.

Synthetic and semi-synthetic paints have the 10 Claims. (onto-32.6)

2 v insmall quantities, lengthen the life of the paint film, improve its hiding power, its working quality and the texture of its surface.

Byway of illustration and not by way of limidefect of being very thin. When applied on ver- 5 tation, the following examples of the improvetical surfaces they have a tendency to run. On ment obtained with my invention are given. both horizontal and vertical surfaces, the freshly In one test, a paint of the following composiapplied paint film, because of its thinness, retion was used to demonstrate the improved recedes from minute elevations or pin points, leavsuits obtained by adding a small amount of a ing them unprotected. In addition to thinness, halogenated amine as compared with the addithese paints are deficient in hiding power and, 1 tion of a halogenated organic compound plus an upon drying, the film develops what is known to amine. the art as orange peel.

An important object of my invention is toprm Plglgxlil'it, 35 per cent (titanium dioxide 85 per and zinc oxide per cent.) vide a paint having incorporated therein an ad- 65 per cent (alkyd resin solution) dition agent which will improve the working I quality of the paint, lengthen the life of the paint This paint. when P p Wes y thin a film, increase the hiding power of the film and its hiding power was very poor. In addition, upon enhance the smoothness or texture of the film drying. it developed en Orange p n surface. part by weight of the halogenated organic com- In my copending applications, Serial No. pound m y -di l r -st arate and 0.5 Part by 296,445, filed September 25, 1939, and-Serial No. Weight O t i y e s incorporated with 423,054, filed December 15, 1941, both now aban- 100 Darts 01 this p the Orange p l was elimdoned I disclose the beneficial and improved remated. H the viscosity of the pai t w s sults obtained from the addition oi-small per-. not nc s d and t hiding power thereof was centages of aromatic or aliphatic amines to a 'impr one f of One D by Weight paint. My copending application, Serial No. of the halogenated organic c mp un yl- 368,227, filed December 2, 1940 now abandoned, et r e n .3 per cent by W h of discloses how the properties of the paint can be aniline were mixed with another sample of the further modified by the addition of both a halop e nt fi d ot e p or n e genated organic compound and an amine. peel and the'viscosity was increased. While the I have now discovered that, if a small amount fl g pr p y was du d, th pai t still between approximately .05 per cent and approxis d when applied to vertical surfaces. When mately 2.5 per cent of a halogenated amine is 0.4 per cent by weight of the hal en t d amine added to the paint, improved results are achieved 5 ortho-chloro-aniline was added to a third samthat are not achieved by the addition of an amine p e o the paint, the sag n tendency of tihe film alone or both an amine and a halogenated orwas co r the brushing q l ty f the paint ganic compound not containing the amino group. was greettly r ve the fl w h p n w Amounts substantially less than .05 per cent are excellent; and h hiding Power of the film was ineffectual and amounts substantially greater 40 improved. When 0.4 per cent by weight of the than 2.5 per cent greatly retard the drying time halogenated amine meta-chloro-aniline was inof the paint and have an adverse rather than corporated with another sample of the P Still beneficial effect on its hiding power, workability other qualities were developed. The surface of and surface appearance. the paint film was reduced to satin although the Such compounds a ortho-chloro-aniline; hiding power was n r y aff meta-chloro-aniline; para-chloro-aniline; 1, 2, 3 In order to further test the effect or the halochloro-toluidine; 1, 2,- 4 chloro-toluidine; 1, 2, 5 genated amines on the paint, I selected two other bromo-toluidine; 1, 2, 3, 4 chloro-xylidine; and sempl To One f the two samples I added one 1, 2, 4, 6 chloro-xylid'ene (in the last five comper cent para-chloro-aniline in a concentrated pounds listed, the last number designates the posolution of toluol and, to the other of the two sition of the halogen atom) and poly-halogensamples I added an identical amount of toluol ated amines such as dichloro-amyl-amine, tribut without the para chloro-aniline. The sambromo-butylamine, tribromo xylidines, tetraple containing the para-chloro-anillne, when apchloro-toluidine, and other halogenated amines plied to a test panel, had excellent brushing qualin this class of compounds, when added to a paint ities and the surface was smooth and satiny, The

Pigment, 28 per cent (titanium dioxide). Vehicle, 72 per cent (alkyd resin-ester gum solution) The brushing quality of this paint was very poor. When 0.3 per cent of the halogenated amine ortho-chloro-aniline was added to the paint, its brushing quality was excellent and the other properties of the paint were not affected.

In another test, a bufl enamel of the following composition was prepared.

Pigment, 31 per cent (titanated iithopone, 62%.

and French ochre 38% Vehicle, 69 per cent (resin, 10.6%, oiticica and castor oils 36.4%, drier 1.2%, and volatile 51.8%).

This enamel was thin, dry in the brush, or medium gloss. and showed fine streaks when dried. When 0.2 per cent of the halogenated amine para-chloro-aniline was added to the enamel, its viscosity was improved, its surface was much more glossy, and no streaks were observed when the enamel dried.

0.2 per cent meta-chloro-aniline, 0.5 per cent 1, 2, 4 chloro-toluidine, 1.5 per cent chloro-diamylamine, 0.8 per cent 1, 2, 3, 4 chloro-xylidine and 1.2 per cent dichloro-tributylamine were each added to separate samples of the above enamel and each increased. the viscosity and enhanced the gloss of the enamel. Also, each of these halogenated amines eliminated the tendency of the enamel to form streaks when drying.

The halogenated amines, when incorporatedas addition agents in the synthetic and semi-synthetic paints, affected the qualities of these paints differently than addition agents comprising amines alone or halogenated organic compounds plus an amine.

I do not understand why my invention produces improved results or why it produces results different from those achieved by an amine alone or a halogenated organic compound plus an amine. My application for a patent rests upon the improved result obtained and not upon any theory to support it. However, it will be seen that I have accomplished the objects of my invention. I have produced a paint havingan improved working or brushing quality and in which the paint film has a longer life, a smoother and glossier surface and increased hiding power.

It will be understood that certain features and sub-combinations are of utility and may be employed without reference to other features and sub-combinations. This is contemplated by and is within the scope of my claims. It is further obvious that various changes may be made in deauaqos tails within the scope of my claims without departing from the spirit of my invention. It is therefore to be understood that my invention is not to be limited to the specific details shown and described.

Having thus described my invention, I claim:

1. A paint composition comprising an alkyd resin as a principal vehicle and normally deflcient in hiding power containing a halogenated amine in an amount suflicient to increase the hiding power of the paint.

'2. A paint composition comprising an alkyd resin as a principal vehicle and normally deficient in hiding power containing from .05 per cent to 2.5 per cent of a halogenated amine.

3. A paint composition comprising an alkyd resin as a principal vehicle and normally deflcient in hiding power containing from .05 per cient in hiding power containing from .05 per cent to 2.5 per cent of 1, 2, 4, 5 chloro-xylidene.

7-. A paint composition comprising an alkyd resin as a principal vehicle and normally deficient in hiding power containing from .05 v per cent to 2.5 per cent of a halogenated aliphatic amine.

8. A paint composition comprising an alky resin as a principal vehicle and normally deflcient in hiding power containing from .05 per cent to 2.5 per cent of a chlorinated aliphatic amine.

9. A paint composition comprising an alkyd resin as a principal vehicle and normally deflcient in hiding power containing from .05 per cent to 2.5 per cent of chloro-iso-tributyl-amine.

10. A method of increasing the hiding power of a paint containing an alkyd resin as a principal vehicle comprising adding to the paint a halogenated amine in an amount from 0.05% to 2.5% to improve its hiding power.

PAUL ZURCHER.

REFERENCES CITED The following references are of record in the tile of this patent:

UNITED STATES PATENTS Matheson et a1 June 23, 1942 

